Heart Pacemaker for Babies Dissolves
- – A new, minimally invasive pacemaker, no larger than a grain of rice, offers the potential to eliminate the need for surgery in infants born wiht heart defects...
- Approximately one percent of infants are born with heart defects that necessitate the use of a pacemaker.
- Researchers at Northwestern University have developed a pacemaker that is small enough to be administered via syringe.
Rice Grain-Sized Pacemaker Could eliminate Surgery for Infants
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EVANSTON, Ill. – A new, minimally invasive pacemaker, no larger than a grain of rice, offers the potential to eliminate the need for surgery in infants born wiht heart defects requiring temporary pacing.
Approximately one percent of infants are born with heart defects that necessitate the use of a pacemaker. Traditionally, these devices are surgically implanted. In many cases, the heart recovers within a few days, rendering the pacemaker unnecessary. This requires a second surgical procedure to remove the device.
syringe-Deliverable Technology
Researchers at Northwestern University have developed a pacemaker that is small enough to be administered via syringe. The device is designed to dissolve naturally within days, eliminating the need for surgical removal. The components are then excreted by the body.
“As far as we know, we have developed the smallest pacemaker in the world… The smaller the stress for the body, the better.”
The quote is from Northwestern University researchers, as reported in a news release.
Light-Based Interaction
The study, published in the journal Nature, details how the miniaturized pacemaker operates using a modular system. The actual pacing component is delivered via syringe, while an external module, placed on the patient’s chest, monitors and controls the heartbeat. Communication between the internal pacemaker and the external module occurs through light signals that can penetrate skin, muscle, and bone.
Animal trials and tests using human donor hearts have yielded successful results. Clinical studies are required before the pacemaker can be implemented in medical practice. Scientists estimate the device could be in clinical use within a few years.
The research was published in Nature,DOI: 10.1038/S41586-025-08726-4.
Published: April 5, 2025
Rice Grain-Sized Pacemaker: A Breakthrough for Infants
Are you curious about a groundbreaking new medical device that could change the lives of infants wiht heart defects? This article dives into the details of a rice grain-sized pacemaker developed by Northwestern University researchers. We’ll explore how it works, its potential benefits, and what the future holds.
What is the Rice Grain-Sized Pacemaker?
Q: What is this new type of pacemaker?
A: It’s a miniaturized pacemaker, no larger than a grain of rice, designed for infants with heart defects. Researchers at Northwestern University developed this device.
Q: Why is this new pacemaker notable?
A: This new pacemaker offers the potential to eliminate the need for surgery for infants requiring temporary pacing due to heart defects.
How the Pacemaker Works
Q: How is this pacemaker different from conventional pacemakers?
A: Traditional pacemakers are surgically implanted. This new pacemaker is administered via a syringe, making it minimally invasive.
Q: How is the pacemaker delivered?
A: The pacemaker is small enough to be delivered directly into the body using a syringe.
Q: What happens to the pacemaker after it’s used?
A: The device is designed to dissolve naturally within a few days and is then excreted by the body.
Q: How does the pacemaker regulate the heartbeat?
A: The pacemaker operates using a modular system. The actual pacing component is delivered via syringe. An external module, placed on the patient’s chest, monitors and controls the heartbeat.The internal pacemaker and external module communicate thru light signals.
Benefits and Advantages
Q: what are the main benefits of this new pacemaker?
A: The primary benefit is the potential elimination of the need for surgery. The device is small,minimally invasive,and dissolves naturally,reducing stress on the infant’s body.
Q: how does this reduce stress on infants?
A: the quote from Northwestern University researchers notes, ”The smaller the stress for the body, the better.” The syringe-deliverable nature of the device significantly reduces the invasiveness of the procedure compared to traditional surgical implantation and removal.
Q: What percentage of infants are born with heart defects that might require a pacemaker?
A: Approximately one percent of infants are born with heart defects that may require a pacemaker, as stated in the article.
The future of the Technology
Q: Where is this technology in its growth?
A: The research has been published in the journal Nature. Animal trials and tests using human donor hearts have yielded accomplished results. Clinical studies are required before it can be implemented in medical practice.
Q: when is this pacemaker expected to be available for use?
A: Scientists estimate the device could be in clinical use within a few years.
Q: What are the key features of this new pacemaker?
Here’s a summary table:
| Feature | Description |
| —————– | —————————————————————————- |
| Size | Rice grain-sized |
| Delivery method | Syringe-deliverable |
| Surgery | Perhaps eliminates the need for surgery |
| Dissolving | Dissolves naturally within days |
| Dialog | Light-based communication between internal and external modules |
| External Module | Monitors and controls the heartbeat, placed on the patient’s chest |
Q: What will make this available for clinical use?
A: The article states that clinical studies are required before the pacemaker can be implemented in medical practice.